安装步骤
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安装步骤
- 更换国内源
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| # 备份原有的源配置 sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak # 修改源配置文件(打开) sudo vim /etc/apt/sources.list # 注释掉(在行首加 #)原有的官方源,然后将其替换为国内镜像源,使用阿里云的源,在原来文件添加下面内容 deb https://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse deb https://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse # 更新包列表 sudo apt update
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- 安装依赖项
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| sudo apt install apt-transport-https ca-certificates curl software-properties-common
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- 安装docker
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| sudo apt install docker # 我用下面的 sudo apt install.docker.io
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- 验证docker是否可用
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| docker --version
sudo docker run hello-world
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Ubuntu20.04 LTS虚拟机安装docker